After months of trying, NASA is calling it quits on freeing the Spirit rover from the Martian sand that it's been stuck in since May of 2009. Â Unfortunately, after six years of tireless service, the end might be very near for the rover, which faces a severe Martian winter in its current positio
 Mars Rover Stuck After over five years of tireless service, the Mars rover Spirit is one again in trouble. Our long-lived martian friend now appears to be stuck in the sand. Spirit, which has been dragging an immobile wheel for nearly three years, has been circling a, "low plateau calle
